1471.
A motorcyclist rides his motorcycle at a speed of 90 km/hr in the first one hour and the next two hours at a speed of 120
km/hr. Find the average speed of the rider.
(A)
110 km/hr
(B)
120 km/hr
(C)
105 km/hr
(D)
115 km/hr
1472.
The perpendicular length from the origin to the line 6x + 8y - 48 = 0 is:
(A)
2.6 unit
(B)
4.8 unit
(C)
8.3 unit
(D)
5.2 unit
1473.
In an assembly election, a candidate got 60% of the total valid votes. 3% of the total votes were declared invalid. If the total
number of voters is 2,40,000, then find the number of valid votes polled in favour of the candidate.
(A)
193680
(B)
139680
(C)
139860
(D)
139608
1474.
If the ratio of principal and simple interest for 5 years is 10 : 7, then the rate of interest per annum is:
(A)
10%
(B)
15%
(C)
14%
(D)
11%
1475.
What is the area (in cm2) of an equilateral triangle whose perimeter is 24 cm?
Note: Round off to the nearest two decimal places.
(A)
28.14
(B)
27.71
(C)
13.86
(D)
27.14
1476.
A train 550 metres long is running at a speed of 78 km/h. How many seconds will it take to cross a 350 metres long train
running in the opposite direction at a speed of 30 km/h?
(A)
40 seconds
(B)
20 seconds
(C)
50 seconds
(D)
30 seconds
1477.
If the length, breadth and total surface area of a cuboid are 30 cm, 20 cm and 2600 cm2, respectively, then find its height.
(A)
30 cm
(B)
15 cm
(C)
50 cm
(D)
14 cm
1478.
The average age of 24 workers and their supervisor is 41 years. If the supervisor's age is excluded, the average reduces by
0.75 years. The age of the supervisor is:
(A)
59 years
(B)
41 years 9 months
(C)
40 years 9 months
(D)
49 years
1479.
In an election between two candidates, one candidate gets 72% of the total votes cast. If the total votes are 1000, by how
many votes does the winner win the election?
(A)
360
(B)
250
(C)
720
(D)
440
1480.
∆ABC and ∆DEF are similar and their areas are respectively 0.64 m2 and 0.0121 m2. If EF = 0.154 m, then BC is:
